Unfold the result of output-kernel The number of file kernel versions and output files are not reduced. We don't need output-kernel now. Bug: 230047219 Test: TH with gki_arm64 and gki_x86_64 Change-Id: I7d74595dce9e398990ea08ed805ce0bb81df7f97 (cherry picked from commit ceb6b290af57b33217128c93325303a84ec77c64)